After 4,500 years ago, the climate became much like it is now, with only minor changes in the past 2,000 years.
In winter, the climate becomes generally cooler and the days shorter.
The further inside Kenya, the more arid the climate becomes.
The climate has become more extreme in the area surrounding it.
By 10,500 years ago the climate was becoming cooler and dryer.
But gradually the social climate became less receptive to these ideas, even turning harsh and hostile.
By 1975, the political climate between Washington and Bangkok had become very sour.
The general climate has become tougher for new music, socially, financially.
The farther east one travels the more distinctly continental the climate becomes.
We know one important reason for those that decide to exit: The economic climate has become unattractive to them.